– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 pm Wed 31 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 pm Wed 31 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 pm Wed 31 Dec Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 33mm), heaviest during Sat afternoon. Mild temperatures (max 9°C on Thu morning, min 5°C on Thu afternoon). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 33mm), heaviest during Sun afternoon. Mild temperatures (max 7°C on Sat night, min 4°C on Tue morning). Wind will be generally light. | ||||||||||||||||||
Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | Tuesday 6 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | |  | | | | | | | | | |  | |
some clouds | cloudy | light rain | heavy rain | light rain | light rain | light rain | light rain | mod. rain | light rain | light rain | mod. rain | light rain | light rain | light rain | light rain | mod. rain | light rain | mod. snow | |
km/h | |||||||||||||||||||
 |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | |
— | — | 0.3 | 12 | 4 | 4 | 4 | 0.1 | 8 | 4 | 3 | 9 | 2 | 0.1 | 0.5 | 4 | 5 | 4 | 2 | |
max °C | 7 | 9 | 7 | 6 | 6 | 6 | 8 | 9 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 4 | 2 |
min °C | 6 | 7 | 5 | 5 | 6 | 6 | 6 | 9 | 7 | 6 | 6 | 6 | 5 | 6 | 5 | 5 | 4 | 4 | 2 |
6 | 7 | 4 | 5 | 5 | 4 | 5 | 8 | 5 | 4 | 3 | 4 | 3 | 5 | 4 | 4 | 2 | 2 | -2 | |
2850 | 2450 | 2050 | 1650 | 1750 | 1650 | 1800 | 2100 | 1600 | 1850 | 1600 | 1550 | 1500 | 1450 | 1350 | 1300 | 1200 | 1200 | 800 | |
Cloud base (m) | 5200 | 5700 | 2600 | 550 | 550 | 550 | 550 | 1700 | 1450 | 1600 | 500 | 500 | 550 | 700 | 600 | 550 | 600 | 550 | 550 |
 | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 8:00 | — | — | 7:58 | — | — |
 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — | — | 4:24 | — | — | 4:27 | — | — | 4:28 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 33mm), heaviest during Sat afternoon. Mild temperatures (max 9°C on Thu morning, min 5°C on Thu afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 33mm), heaviest during Sun afternoon. Mild temperatures (max 7°C on Sat night, min 4°C on Tue morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.